function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}

function checkname()
{

	var name = trim(document.formagency.agencyname.value);
	if (name=="")
	{
	alert ('Please enter rental agency name');
	document.formagency.agencyname.focus();
	return false;
	}
}



function checkvehicle()
{

	var name = trim(document.formagency.vehicle.value);
	if (name=="")
	{
	alert ('Please enter vehicle type name');
	document.formagency.vehicle.focus();
	return false;
	}
}

function checklocation()
{

	var name = trim(document.formagency.location.value);
	if (name=="")
	{
	alert ('Please enter location name');
	document.formagency.location.focus();
	return false;
	}
}

function checkspecial()
{

	var vehid = trim(document.formagency.vehid.value);
	var pickupid = trim(document.formagency.pickupid.value);
	var dropoffid  = trim(document.formagency.dropoffid.value);
	var pickdate = trim(document.formagency.pickdate.value);
	var dropdate = trim(document.formagency.dropdate.value);
	var pickdatel = trim(document.formagency.pickdatel.value);
	var freedesc = trim(document.formagency.freedesc.value);
	var shortdesc = trim(document.formagency.shortdesc.value);
	
	if (vehid=="")
	{
	alert ('Please select vehicle type');
	document.formagency.vehid.focus();
	return false;
	}
	if (pickupid=="")
	{
	alert ('Kies een ophaalplaats');
	document.formagency.pickupid.focus();
	return false;
	}
	if (dropoffid=="")
	{
	alert ('Please select drop off location');
	document.formagency.dropoffid.focus();
	return false;
	}
	if (pickdate=="")
	{
	alert ('Kies een ophaaldatum');
	document.formagency.pickdate.focus();
	return false;
	}
	if (pickdatel=="")
	{
	alert ('Please select latest pick up date');
	document.formagency.pickdatel.focus();
	return false;
	}
	if (dropdate=="")
	{
	alert ('Please select latest drop off date');
	document.formagency.dropdate.focus();
	return false;
	}
	if (shortdesc=="")
	{
	alert ('Please enter special offer short description');
	document.formagency.shortdesc.focus();
	return false;
	}
	if (freedesc=="")
	{
	alert ('Please enter special offer description');
	document.formagency.freedesc.focus();
	return false;
	}							
}

function confirmChoice(j) {
	msgQuestion = "Confirm Delete?";
	userResponse = confirm(msgQuestion);
	if (userResponse == 1) {
		location = j;
	} else {
		return;
	}
}

function searchform()
{

	var pickupid = trim(document.formsearch.pickupid.value);
	var pickdate = trim(document.formsearch.pickdate.value);
	
	if (pickupid=="")
	{
	alert ('Kies een ophaalplaats');
	document.formsearch.pickupid.focus();
	return false;
	}
	if (pickdate=="")
	{
	alert ('Kies een ophaaldatum');
	document.formsearch.pickdate.focus();
	return false;
	}
					
}